COR JESU

The Immaculate Heart Pipe Organ — Version 7

MIDI: Ready

Per-manual voice

Each keyboard can use its own stop. Swell (top manual) level below.


Layout & practice


Record & export


Custom keyboards (JSON)

Array of manuals. Each: name, from and to (e.g. C3, F#4, Bb3), and y (vertical position on canvas, ~320–600). Top manual = smaller y.



Custom Preset

Custom Melody (one note per line)
Tap keys or type — touch pressure affects volume when supported.
v7: per-manual voices, swell, MIDI in/out, themes, metronome, lyrics from .mid, channel filter, export MIDI.
Reduced motion: respect system “reduce motion” for gentler heart animation.